Exercise device



FIG. 1 is a front view of an ornamental design for an exercise deviceshowing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a front view of the belt portion of the exercise device, thecords and handles are omitted from the view;

FIG. 4 is a rear view of the exercise device;

FIG. 5 is a rear perspective view thereof;

FIG. 6 is an enlarged front perspective view of the left handle of theexercise device, the right handle being a mirror image; and,

FIG. 7 is an enlarged rear perspective view of the left handle of theexercise device, the right handle being a mirror image.

The broken lines showing of the cords is included for the purpose ofillustrating unclaimed structure and forms no part of the claimeddesign.

The ornamental design for an exercise device, as shown and described.